This collection is diverse. Most of the material relates to the counties of York and Sunbury, but a wide variety of topics relating generally to New Brunswick are also included. There are 88 manuscript series.

MS1 York-Sunbury Historical Society records;
MS2 Transcripts of addresses delivered to the York Sunbury Historical Society;
MS3 Lillian Maxwell genealogical correspondence;
MS4 Lillian Maxwell historical research papers;
MS5 Burpee family papers;
MS6 Richard Bellamy papers;
MS7 W.H. Street and J.A.S. Street records;
MS8 Stephen Glasier papers
MS9 Charles N. Skinner records;
MS 10 Babbitt family papers;
MS11 Dr. Benjamin Coburn papers;
MS12 Benjamin Atherton records;
MS13 Fowler Boer War (South African War) collection;
MS14 Jonathan Odell papers;
MS15 G. Harold Markham military collection;
MS16 Wolhaupter family collection;
MS17 Whelpley collection;
MS18 Miscellaneous correspondence;
MS19 Clippings;
MS20 Genealogical charts and family history papers;
MS21 Speeches and addresses;
MS22 Historical essays and research notes;
MS23 Diaries and notebooks;
MS24 Leases;
MS25 Deeds;
MS26 Crown lands;
MS27 Mortgages;
MS28 Indentures of sale;
MS29 General land papers;
MS30 Lawyers papers;
MS31 Sheriffs' papers;
MS32 Powers of attorney;
MS33 Vital statistics;
MS34 Apprenticeship papers;
MS35 Probate papers;
MS36 Legal investigation papers;
MS37 Insurance policies;
MS38 Hazen, White and Company records;
MS39 Star Line Steamship Company records;
MS40 Ships' papers;
MS41 Business records;
MS42 Bills, cheques, invoices and receipts;
MS43 Maps and plans;
MS44 Photographs and pictures;
MS45 Meteorological registers of Fredericton;
MS46 Research notes on historic buildings;
MS47 Hymns, music, poetry and prose;
MS48 Programmes and invitations;
MS49 Printed matter;
MS50 Military commissions and certificates;
MS51 Warrants;
MS52 Civil commissions;
MS53 Social and athletic club papers;
MS54 Education papers;
MS55 Fredericton papers;
MS56 Indian papers;
MS57 Cemetery papers;
MS58 Military papers;
MS59 Theodore Porter papers;
MS60 Government records;
MS61 Records of the Fredericton Society of St. Andrew;
MS62 Kingston family records;
MS63 George Gilman papers;
MS64 Montgomery-Campbell family papers;
MS65 H.F.G. Woodbridge papers;
MS66 Jack Johnston collection;
MS67 Charles W. Darcus papers;
MS68 Charlotte C. Saunders collection;
MS69 G. Alvah Good Collection;
MS70 Oromocto Pioneer Days;
MS71 Peter Young McLaggan papers;
MS72 George R. Spencer papers;
MS73 Styron family collection;
MS74 Robert Borden Forbes papers;
MS75 Ashburnham family ;
MS76 Food and health papers;
MS77 Tape recordings;
MS78 Jessie B. Segee papers;
MS79 Patents;
MS80 William G. Quinn collection
MS81 Hon. Thomas Temple papers;
MS82 John Hill collection;
MS83 Anne McKeen collection;
MS84 George Taylor papers;
MS85 Lieutenant- Governor George Stracey Smyth;
MS86 Brigadier the Honourable Milton F. Gregg;
MS87 François La Roche correspondence;
MS88 Newspapers, magazines and periodicals inventory

This collection contains Royalty and First and Second World War memorabilia. The collection also includes;

• The House of Seven Gables by Nathaniel Hawthorne, n.d.
• "Dressmaking Made Easy", 1939 (accessioned to Grand Manan Museum # 93.72
• Eatons Catalog, 1976

This collection contains a pair of clippings of newspaper articles published in the Daily Gleaner related to the history of New Brunswick. The first article provides an overview of the story of Marie LaTour, while the second article discusses the history of British Home Children in Canada.

A binder which contains a brief essay on the Royal West India Rangers regiment by Daniel F. Johnson of the Saint John branch of the New Brunswick Genealogical Society, articles on military settlers in New Brunswick, and lists of members of the Royal West India Rangers who were disbanded in New Brunswick. Inserted is a note: "it appears that many surnames on the Royal West India Rangers list are also Charlotte County names or perhaps have connections to them or to this area".

This collection contains items related to the history of the Pennfield Air Station in the Second World War (WWII). The collection includes articles published in the New Brunswick Historical Society's November 2006 newsletter.

Collection includes copies of correspondence, photocopies of names of the men who returned, and of some who died in the conflict. Also an excerpt from the history of the North Shore Regiment including, "The Young Madmen at Zutphen" and a map of Zutphen.

This fonds includes muster rolls for: Black Pioneers, 1780; British Legion,1782; Guides and Pioneers, 1780; New Jersey Volunteers, 1778-1781; New York Volunteers, 1777; Queen's Rangers, 1780; Royal Artillery, Saint John, 1793; Prince of Wales Royal American Volunteers, 1777; King's American Regiment, 1777; Loyal American Regiment, 1777; Saint John City and County and Militia, 1809-1811.

This collection contains correspondences, documents, photos, and other types of material related to Joseph and Effie Gibson and their descendants. Most of the correspondence in this collection concerns Joe Gibson, a Royal Canadian Air Force pilot and oldest son of Joseph and Effie Gibson. Many photos of him and his crewmates, his letters home from overseas, as well as his schoolwork and notes from leaning how to fly an aircraft are also included in this collection. Several items which concern the affairs of John Gibson, Joe Gibson’s younger brother, can be found in this collection. These include correspondences and legal documents related to the estate of Charlotte Gibson, his sister, as well as an agreement between John Gibson and the Canada Railroad Company concerning interest and his land. Most of the personal items and published material in this collection belonged to John Gibson as well, these include publications related to his position as a volunteer firefighter, reports of organizations he belonged to, maps of the Town of St. Andrews, notes related to his work as a stonemason, and other items.

This fonds consists of copies of archival records and printed works about Loyalists, assembled by Van Wart, probably sometime in the 1930s. There is information about Loyalists in both Ontario and New Brunswick. Some of Van Wart's correspondence is included.

The fonds consists of 4 photographs of Thomas' military commissions as captain of militia in Saint John (1783) and Queens County (1787), and as major and lieutenant colonel of militia in Queens County (1795). There is also a biographical note, dated 19 May 1906, including date of death, age at death, birth place, positions held, and notes about Henry Thomas.